MpiDataClass.cc

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//Copyright (c) 2013-2020, The MercuryDPM Developers Team. All rights reserved.
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#include "MpiDataClass.h"
#include "DPMBase.h"
#include "Particles/LiquidFilmParticle.h"
#include "Particles/SphericalParticle.h"
#include "Particles/SuperQuadricParticle.h"
#include "Logger.h"

void MPISphericalParticle::copyDataFromMPIParticleToParticle(BaseParticle* p)
{
    
    //Set important quantities
    p->setId(id);
    p->setRadius(radius);
    p->setPosition(position);
    p->setAngularVelocity(angularVelocity);
    p->setVelocity(velocity);
    p->setOrientation(orientation);
    p->setCommunicationComplexity(communicationComplexity);

    //Set HGrid values
    p->setHGridNextObject(nullptr);
    p->setHGridPrevObject(nullptr);
    p->setHGridX(99999);
    p->setHGridY(99999);
    p->setHGridZ(99999);
    p->setHGridLevel(HGridLevel);
    
    //This is not a periodic particle
    p->setPeriodicFromParticle(nullptr);
    p->setInPeriodicDomain(false);
    
    //Fix maser if it is maser
    p->setMaserParticle(isMaser);
    
    //Fixed particles need to be fixed again
    if (isFixed)
    {
        p->fixParticle();
    }
}

void MPISuperQuadric::copyDataFromMPIParticleToParticle(BaseParticle* p)
{
    MPISphericalParticle::copyDataFromMPIParticleToParticle(p);
    p->setAxes(axes);
    p->setExponents(epsilon1, epsilon2);
}

void MPILiquidFilmParticle::copyDataFromMPIParticleToParticle(BaseParticle* p)
{
    MPISphericalParticle::copyDataFromMPIParticleToParticle(p);
    static_cast<LiquidFilmParticle*>(p)->setLiquidVolume(liquidVolume);
}

void copyDataFromMPIParticleToParticle(MPIParticle* bP, BaseParticle* p, ParticleHandler* particleHandler)
{
    //Set the species of the particle, but before we can do that we have to set the handler
    p->setHandler(particleHandler);
    //p->setIndSpecies(bP->indSpecies);
    const ParticleSpecies* species = p->getHandler()->getDPMBase()->speciesHandler.getObject(bP->indSpecies);
    p->setSpecies(species);
    bP->copyDataFromMPIParticleToParticle(p);
}

MPIParticle copyDataFromParticleToMPIParticle(BaseParticle* p)
{
    MPIParticle bP;
    bP.copyDataFromParticleToMPIParticle(p);
    return bP;
}

void MPISphericalParticle::copyDataFromParticleToMPIParticle(BaseParticle* p) {
    id = p->getId();
    indSpecies = p->getIndSpecies();
    radius = p->getRadius();
    position = p->getPosition();
    angularVelocity = p->getAngularVelocity();
    velocity = p->getVelocity();
    orientation = p->getOrientation();
    HGridLevel = p->getHGridLevel();
    communicationComplexity = p->getCommunicationComplexity();
    isMaser = p->isMaserParticle();
    isFixed = p->isFixed();
}

void MPISuperQuadric::copyDataFromParticleToMPIParticle(BaseParticle* p) {
    MPISphericalParticle::copyDataFromParticleToMPIParticle(p);
    axes = p->getAxes();
    epsilon1 = p->getExponentEps1();
    epsilon2 = p->getExponentEps2();
}

void MPILiquidFilmParticle::copyDataFromParticleToMPIParticle(BaseParticle* p) {
    MPISphericalParticle::copyDataFromParticleToMPIParticle(p);
    liquidVolume = static_cast<LiquidFilmParticle*>(p)->getLiquidVolume();
}

BaseParticle* MPISphericalParticle::newParticle () {
    return new SphericalParticle;
}

BaseParticle* MPISuperQuadric::newParticle () {
    return new SuperQuadricParticle;
}

BaseParticle* MPILiquidFilmParticle::newParticle () {
    return new LiquidFilmParticle;
}

MPIParticlePosition copyPositionFrom(BaseParticle* particle)
{
    MPIParticlePosition particlePosition;
    particlePosition.id = particle->getId();
    particlePosition.position = particle->getPosition();
    particlePosition.orientation = particle->getOrientation();
    if (std::is_base_of<MPILiquidFilmParticle,MPIParticle>())
        particlePosition.liquidVolume = static_cast<LiquidFilmParticle*>(particle)->getLiquidVolume();
    return particlePosition;
}

MPIParticleVelocity copyVelocityFrom(BaseParticle* particle)
{
    MPIParticleVelocity particleVelocity;
    particleVelocity.velocity = particle->getVelocity();
    particleVelocity.angularVelocity = particle->getAngularVelocity();
    
    return particleVelocity;
}

Vec3D getMPISum(Vec3D& val)
{
#ifdef MERCURY_USE_MPI
    //Sum up over all domains
    Vec3D valGlobal = {0.0,0.0,0.0};
    MPIContainer& communicator = MPIContainer::Instance();
    communicator.allReduce(val.X, valGlobal.X, MPI_SUM);
    communicator.allReduce(val.Y, valGlobal.Y, MPI_SUM);
    communicator.allReduce(val.Z, valGlobal.Z, MPI_SUM);
    return valGlobal;
#else
    return val;
#endif
}

double getMPISum(double val)
{
#ifdef MERCURY_USE_MPI
    //Sum up over all domains
    double valGlobal = 0.0;
    MPIContainer& communicator = MPIContainer::Instance();
    communicator.allReduce(val, valGlobal, MPI_SUM);
    return valGlobal;
#else
    return val;
#endif
}